Most observed native sea spiders
Native to the US, by how plants support them, most observed first.
Other species All
10 native species with no plant ties on record, most observed first.
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Stearns' Sea Spider
Pycnogonum stearnsi
319 observations
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Hilgendorf's Sea Spider
Ammothea hilgendorfi
195 observations
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Lentil Sea Spider
Anoplodactylus lentus
47 observations
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Nymphon pixellae
45 observations
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Spiny-thigh Sea Spider
Phoxichilidium femoratum
34 observations
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Tanystylum californicum
24 observations
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Ammothella biunguiculata
11 observations
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Nymphopsis spinosissimum
8 observations